Corkscrew



FIG. 1 is a front perspective view of a corkscrew, showing the present invention in a closed position;

FIG. 2 is a front elevational view of the invention;

FIG. 3 is a rear elevational view of the invention;

FIG. 4 is a left side elevational view of the invention;

FIG. 5 is a right side elevational view of the invention;

FIG. 6 is a top plan view of the invention;

FIG. 7 is a bottom plan view of the invention; and,

FIG. 8 is a front perspective view of the invention, shown in an open position. 

CLAIM The ornamental design for a corkscrew, as shown and described. 